Error 502 loading images with the internal API

### Observed/problematic behavior When embedding an image such as `` in a resource's details, it will [fail to load with a 502](https://hangar.papermc.io/api/internal/image/https://img.shields.io/bstats/players/10915?style=for-the-badge&label=online+players). ([Observed resource](https://hangar.papermc.io/Silverstone/EntityClearer))   ### Expected behavior It should load ### Steps to reproduce 1. Embed an image (example above) 2. Try to view it ### Other Doesn't seem to happen for gifs (I assume they're not cached like regular images?)